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CSS3ParserTest.java
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/*
* Copyright (c) 2019-2024 Ronald Brill.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.htmlunit.cssparser.parser;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringReader;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.Set;
import java.util.TreeSet;
import org.htmlunit.cssparser.ErrorHandler;
import org.htmlunit.cssparser.dom.AbstractCSSRuleImpl;
import org.htmlunit.cssparser.dom.CSSMediaRuleImpl;
import org.htmlunit.cssparser.dom.CSSRuleListImpl;
import org.htmlunit.cssparser.dom.CSSStyleDeclarationImpl;
import org.htmlunit.cssparser.dom.CSSStyleRuleImpl;
import org.htmlunit.cssparser.dom.CSSStyleSheetImpl;
import org.htmlunit.cssparser.dom.CSSValueImpl;
import org.htmlunit.cssparser.dom.CSSValueImpl.CSSPrimitiveValueType;
import org.htmlunit.cssparser.dom.CSSValueImpl.CSSValueType;
import org.htmlunit.cssparser.dom.MediaListImpl;
import org.htmlunit.cssparser.dom.Property;
import org.htmlunit.cssparser.parser.LexicalUnit.LexicalUnitType;
import org.htmlunit.cssparser.parser.condition.Condition;
import org.htmlunit.cssparser.parser.condition.Condition.ConditionType;
import org.htmlunit.cssparser.parser.condition.NotPseudoClassCondition;
import org.htmlunit.cssparser.parser.condition.PrefixAttributeCondition;
import org.htmlunit.cssparser.parser.condition.SubstringAttributeCondition;
import org.htmlunit.cssparser.parser.condition.SuffixAttributeCondition;
import org.htmlunit.cssparser.parser.javacc.CSS3Parser;
import org.htmlunit.cssparser.parser.media.MediaQuery;
import org.htmlunit.cssparser.parser.selector.ChildSelector;
import org.htmlunit.cssparser.parser.selector.ElementSelector;
import org.htmlunit.cssparser.parser.selector.Selector;
import org.htmlunit.cssparser.parser.selector.Selector.SelectorType;
import org.htmlunit.cssparser.parser.selector.SelectorList;
import org.junit.jupiter.api.Test;
/**
* @author Ahmed Ashour
* @author Ronald Brill
*/
public class CSS3ParserTest extends AbstractCSSParserTest {
/**
* @throws Exception if any error occurs
*/
@Test
public void selectorList() throws Exception {
selectorList("h1:first-line", 1);
selectorList("h1", 1);
selectorList("h1, h2", 2);
selectorList("h1:first-line, h2", 2);
selectorList("h1, h2, h3", 3);
selectorList("h1, h2,\nh3", 3);
selectorList("h1, h2, h3#id", 3);
selectorList("h1.class, h2, h3", 3);
}
/**
* @throws Exception if any error occurs
*/
@Test
public void selector() throws Exception {
selectorType("a#id.class:link", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("a#id.class", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("a#id:link", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("a#id", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("a.class:link", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("a.class", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("a:link", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("a", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("#id.class:link", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("#id.class", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("#id:link", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("#id", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType(".class:link", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType(".class", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType(":link", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("a:visited", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("a:active", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("h1 a", SelectorType.DESCENDANT_SELECTOR, SelectorType.ELEMENT_NODE_SELECTOR,
SelectorType.ELEMENT_NODE_SELECTOR);
selectorType("h1 a", SelectorType.DESCENDANT_SELECTOR, SelectorType.ELEMENT_NODE_SELECTOR,
SelectorType.ELEMENT_NODE_SELECTOR);
selectorType(".inherit", SelectorType.ELEMENT_NODE_SELECTOR);
selectorType(".only", SelectorType.ELEMENT_NODE_SELECTOR);
}
/**
* @throws Exception if any error occurs
*/
@Test
public void selectorPseudo() throws Exception {
selectorType("h1:first-line", SelectorType.DESCENDANT_SELECTOR, SelectorType.ELEMENT_NODE_SELECTOR,
SelectorType.PSEUDO_ELEMENT_SELECTOR);
selectorType("a:first-letter", SelectorType.DESCENDANT_SELECTOR, SelectorType.ELEMENT_NODE_SELECTOR,
SelectorType.PSEUDO_ELEMENT_SELECTOR);
selectorType("a:before", SelectorType.DESCENDANT_SELECTOR, SelectorType.ELEMENT_NODE_SELECTOR,
SelectorType.PSEUDO_ELEMENT_SELECTOR);
selectorType("a:after", SelectorType.DESCENDANT_SELECTOR, SelectorType.ELEMENT_NODE_SELECTOR,
SelectorType.PSEUDO_ELEMENT_SELECTOR);
selectorType("h1:lang(en)", SelectorType.ELEMENT_NODE_SELECTOR, SelectorType.PSEUDO_ELEMENT_SELECTOR);
}
/**
* @throws Exception if any error occurs
*/
@Test
public void selectorPseudoDoubleColon() throws Exception {
selectorType("h1::first-line", SelectorType.DESCENDANT_SELECTOR, SelectorType.ELEMENT_NODE_SELECTOR,
SelectorType.PSEUDO_ELEMENT_SELECTOR);
selectorType("a::first-letter", SelectorType.DESCENDANT_SELECTOR, SelectorType.ELEMENT_NODE_SELECTOR,
SelectorType.PSEUDO_ELEMENT_SELECTOR);
selectorType("a::before", SelectorType.DESCENDANT_SELECTOR, SelectorType.ELEMENT_NODE_SELECTOR,
SelectorType.PSEUDO_ELEMENT_SELECTOR);
selectorType("a::after", SelectorType.DESCENDANT_SELECTOR, SelectorType.ELEMENT_NODE_SELECTOR,
SelectorType.PSEUDO_ELEMENT_SELECTOR);
selectorType("h1::lang(en)", SelectorType.ELEMENT_NODE_SELECTOR, SelectorType.PSEUDO_ELEMENT_SELECTOR);
}
/**
* @see <a href="http://www.w3.org/TR/CSS21/selector.html#lang">http://www.w3.org/TR/CSS21/selector.html#lang</a>
* @throws Exception if any error occurs
*/
@Test
public void selectorLang() throws Exception {
final String css = "html:lang(fr-ca) { }\n"
+ "html:lang(de) { }\n"
+ ":lang(fr) > Q { }\n"
+ ":lang(de) > Q { }";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(4, rules.getLength());
AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("html:lang(fr-ca) { }", rule.getCssText());
ElementSelector selector = (ElementSelector) ((CSSStyleRuleImpl) rule).getSelectors().get(0);
assertEquals(ConditionType.LANG_CONDITION, selector.getConditions().get(0).getConditionType());
assertEquals("fr-ca", selector.getConditions().get(0).getValue());
rule = rules.getRules().get(1);
assertEquals("html:lang(de) { }", rule.getCssText());
selector = (ElementSelector) ((CSSStyleRuleImpl) rule).getSelectors().get(0);
assertEquals(ConditionType.LANG_CONDITION, selector.getConditions().get(0).getConditionType());
assertEquals("de", selector.getConditions().get(0).getValue());
rule = rules.getRules().get(2);
assertEquals("*:lang(fr) > Q { }", rule.getCssText());
ChildSelector childSelector = (ChildSelector) ((CSSStyleRuleImpl) rule).getSelectors().get(0);
selector = (ElementSelector) childSelector.getAncestorSelector();
assertEquals(ConditionType.LANG_CONDITION, selector.getConditions().get(0).getConditionType());
assertEquals("fr", selector.getConditions().get(0).getValue());
rule = rules.getRules().get(3);
assertEquals("*:lang(de) > Q { }", rule.getCssText());
childSelector = (ChildSelector) ((CSSStyleRuleImpl) rule).getSelectors().get(0);
selector = (ElementSelector) childSelector.getAncestorSelector();
assertEquals(ConditionType.LANG_CONDITION, selector.getConditions().get(0).getConditionType());
assertEquals("de", selector.getConditions().get(0).getValue());
}
/**
* @see <a href="http://www.w3.org/TR/CSS21/selector.html#lang">http://www.w3.org/TR/CSS21/selector.html#lang</a>
* @throws Exception if any error occurs
*/
@Test
public void selectorLangInvalid() throws Exception {
final String css = "html:lang() { background: red }\n"
+ "p { color:green; }";
final CSSStyleSheetImpl sheet = parse(css, 1, 0, 1);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
assertEquals("p { color: green; }", rules.toString().trim());
}
/**
* @throws Exception if any error occurs
*/
@Test
public void condition() throws Exception {
conditionType("a#id.class:link", ConditionType.ID_CONDITION, ConditionType.CLASS_CONDITION,
ConditionType.PSEUDO_CLASS_CONDITION);
conditionType("a#id.class", ConditionType.ID_CONDITION, ConditionType.CLASS_CONDITION);
conditionType("a#id:link", ConditionType.ID_CONDITION, ConditionType.PSEUDO_CLASS_CONDITION);
conditionType("a#id", ConditionType.ID_CONDITION);
conditionType("a.class:link", ConditionType.CLASS_CONDITION, ConditionType.PSEUDO_CLASS_CONDITION);
conditionType("a.class", ConditionType.CLASS_CONDITION);
conditionType("a:link", ConditionType.PSEUDO_CLASS_CONDITION);
conditionType("#id.class:link", ConditionType.ID_CONDITION, ConditionType.CLASS_CONDITION,
ConditionType.PSEUDO_CLASS_CONDITION);
conditionType("#id.class", ConditionType.ID_CONDITION, ConditionType.CLASS_CONDITION);
conditionType("#id:link", ConditionType.ID_CONDITION, ConditionType.PSEUDO_CLASS_CONDITION);
conditionType("#id", ConditionType.ID_CONDITION);
conditionType(".class:link", ConditionType.CLASS_CONDITION, ConditionType.PSEUDO_CLASS_CONDITION);
conditionType(".class", ConditionType.CLASS_CONDITION);
conditionType(":link", ConditionType.PSEUDO_CLASS_CONDITION);
conditionType(".inherit", ConditionType.CLASS_CONDITION);
conditionType(".only", ConditionType.CLASS_CONDITION);
}
/**
* @throws Exception if any error occurs
*/
@Test
public void classCondition() throws Exception {
conditionAssert(".class", null, "class", true);
conditionAssert("h1.class", null, "class", true);
assertNull(createSelectors("."));
assertNull(createSelectors("h1."));
}
/**
* @throws Exception if any error occurs
*/
@Test
public void idCondition() throws Exception {
conditionAssert("#id", null, "id", true);
conditionAssert("h1#id", null, "id", true);
assertNull(createSelectors("#"));
assertNull(createSelectors("h1.#"));
}
/**
* @throws Exception if any error occurs
*/
@Test
public void pseudoCondition() throws Exception {
conditionAssert(":link", null, "link", true);
conditionAssert("a:link", null, "link", true);
conditionAssert("a:visited", null, "visited", true);
conditionAssert(":visited", null, "visited", true);
conditionAssert("a:active", null, "active", true);
conditionAssert(":active", null, "active", true);
assertNull(createSelectors(":"));
assertNull(createSelectors("a:"));
}
/**
* @throws Exception if any error occurs
*/
@Test
public void attributeCondition() throws Exception {
conditionAssert("[rel]", "rel", null, false);
conditionAssert("[ rel ]", "rel", null, false);
conditionAssert("[rel=val]", "rel", "val", true);
conditionAssert("[ rel = val ]", "rel", "val", true);
assertNull(createSelectors("[rel=]")); // invalid rule
conditionAssert("[rel~=val]", "rel", "val", true);
conditionAssert("[ rel ~= val ]", "rel", "val", true);
assertNull(createSelectors("[rel~=]")); // invalid rule
conditionAssert("[rel|=val]", "rel", "val", true);
conditionAssert("[ rel |= val]", "rel", "val", true);
assertNull(createSelectors("[rel|=]")); // invalid rule
conditionAssert("[rel^=val]", "rel", "val", true);
conditionAssert("[ rel ^= val]", "rel", "val", true);
assertNull(createSelectors("[rel^=]")); // invalid rule
conditionAssert("[rel$=val]", "rel", "val", true);
conditionAssert("[ rel $= val]", "rel", "val", true);
assertNull(createSelectors("[rel$=]")); // invalid rule
conditionAssert("[rel*=val]", "rel", "val", true);
conditionAssert("[ rel *= val]", "rel", "val", true);
assertNull(createSelectors("[rel*=]")); // invalid rule
}
/**
* @throws Exception if any error occurs
*/
@Test
public void dojoCSS() throws Exception {
final InputStream is = getClass().getClassLoader().getResourceAsStream("dojo.css");
assertNotNull(is);
final CSSStyleSheetImpl sheet = parse(is);
assertEquals(17, sheet.getCssRules().getLength());
}
/**
* @throws Exception if any error occurs
*/
@Test
public void emptyCSS() throws Exception {
final CSSStyleSheetImpl sheet = parse("");
assertEquals(0, sheet.getCssRules().getLength());
}
/**
* @throws Exception if any error occurs
*/
@Test
public void whitespaceOnlyCSS() throws Exception {
final CSSStyleSheetImpl sheet = parse(" \t \r\n \n");
assertEquals(0, sheet.getCssRules().getLength());
}
/**
* @throws Exception if the test fails
*/
@Test
public void charset() throws Exception {
final String css = "@charset 'UTF-8';\n"
+ "h1 { color: blue }\n";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(2, rules.getLength());
AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@charset \"UTF-8\";", rule.getCssText());
rule = rules.getRules().get(1);
assertEquals("h1 { color: blue; }", rule.getCssText());
}
/**
* @throws Exception if the test fails
*/
@Test
public void charsetWhitespaceBefore() throws Exception {
final String css = "/* comment */ \n @charset 'UTF-8';\n"
+ "h1 { color: blue }\n";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(2, rules.getLength());
AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@charset \"UTF-8\";", rule.getCssText());
rule = rules.getRules().get(1);
assertEquals("h1 { color: blue; }", rule.getCssText());
}
/**
* @throws Exception if the test fails
*/
@Test
public void charsetWhitespaceAfter() throws Exception {
final String css = "@charset 'UTF-8';\n"
+ " \t \n "
+ "h1 { color: blue }\n";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(2, rules.getLength());
AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@charset \"UTF-8\";", rule.getCssText());
rule = rules.getRules().get(1);
assertEquals("h1 { color: blue; }", rule.getCssText());
}
/**
* @throws Exception if the test fails
*/
@Test
public void charsetImportBefore() throws Exception {
final String css = "@import 'subs.css';\n"
+ "@charset 'UTF-8';\n"
+ "h1 { color: blue }\n"
+ "h2 { color: red }\n";
final CSSStyleSheetImpl sheet = parse(css, 1, 0, 1);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(3, rules.getLength());
AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@import url(\"subs.css\");", rule.getCssText());
rule = rules.getRules().get(1);
assertEquals("h1 { color: blue; }", rule.getCssText());
rule = rules.getRules().get(2);
assertEquals("h2 { color: red; }", rule.getCssText());
}
/**
* @throws Exception if the test fails
*/
@Test
public void charsetImportBeforeSkipComment() throws Exception {
final String css = "@import 'subs.css';\n"
+ "@charset 'UTF-8';\n"
+ "/* comment */\n"
+ "h1 { color: blue }\n"
+ "h2 { color: red }\n";
final CSSStyleSheetImpl sheet = parse(css, 1, 0, 1);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(3, rules.getLength());
AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@import url(\"subs.css\");", rule.getCssText());
rule = rules.getRules().get(1);
assertEquals("h1 { color: blue; }", rule.getCssText());
rule = rules.getRules().get(2);
assertEquals("h2 { color: red; }", rule.getCssText());
}
/**
* @throws Exception if the test fails
*/
@Test
public void charsetImportBeforeBrokenCharset() throws Exception {
final String css = "@import 'subs.css';\n"
+ "@charset\n"
+ "h1 { color: blue }\n"
+ "h2 { color: red }\n";
final CSSStyleSheetImpl sheet = parse(css, 2, 0, 2);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(2, rules.getLength());
AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@import url(\"subs.css\");", rule.getCssText());
rule = rules.getRules().get(1);
assertEquals("h2 { color: red; }", rule.getCssText());
}
/**
* @throws Exception if the test fails
*/
@Test
public void importRuleOnly() throws Exception {
final String css = "@import 'subs.css';";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
final AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@import url(\"subs.css\");", rule.getCssText());
}
/**
* @throws Exception if the test fails
*/
@Test
public void importRulesOnly() throws Exception {
final String css = "@import 'subs.css'; @import 'subs1.css'; @import 'subs2.css';";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(3, rules.getLength());
AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@import url(\"subs.css\");", rule.getCssText());
rule = rules.getRules().get(1);
assertEquals("@import url(\"subs1.css\");", rule.getCssText());
rule = rules.getRules().get(2);
assertEquals("@import url(\"subs2.css\");", rule.getCssText());
}
/**
* @throws Exception if the test fails
*/
@Test
public void mediaRulePrint() throws Exception {
final String css = "@media print { h1 { color: red } }";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
final AbstractCSSRuleImpl cssRule = rules.getRules().get(0);
assertEquals("@media print {\n h1 { color: red; }\n}", cssRule.getCssText());
final MediaListImpl mediaList = ((CSSMediaRuleImpl) cssRule).getMediaList();
assertEquals(1, mediaList.getLength());
assertEquals("print", mediaList.getMediaText());
}
/**
* @throws Exception if the test fails
*/
@Test
public void mediaRulePrintAndScreen() throws Exception {
final String css = "@media print,screen { h1 { color: red } }";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
final AbstractCSSRuleImpl cssRule = rules.getRules().get(0);
assertEquals("@media print, screen {\n h1 { color: red; }\n}", cssRule.getCssText());
final MediaListImpl mediaList = ((CSSMediaRuleImpl) cssRule).getMediaList();
assertEquals(2, mediaList.getLength());
assertEquals("print, screen", mediaList.getMediaText());
}
/**
* @throws Exception if the test fails
*/
@Test
public void nestedMediaRule() throws Exception {
final String css = "@media print { #navigation { display: none }"
+ " @media (max-width: 12cm) { .note { float: none } }"
+ "}";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
AbstractCSSRuleImpl cssRule = rules.getRules().get(0);
assertEquals("@media print {\n *#navigation { display: none; }"
+ "\n @media (max-width: 12cm) {\n *.note { float: none; }\n}\n}", cssRule.getCssText());
MediaListImpl mediaList = ((CSSMediaRuleImpl) cssRule).getMediaList();
assertEquals(1, mediaList.getLength());
assertEquals("print", mediaList.getMediaText());
final CSSRuleListImpl innerRules = ((CSSMediaRuleImpl) cssRule).getCssRules();
assertEquals(2, innerRules.getLength());
cssRule = innerRules.getRules().get(0);
assertEquals("*#navigation { display: none; }", cssRule.getCssText());
cssRule = innerRules.getRules().get(1);
assertEquals("@media (max-width: 12cm) {\n *.note { float: none; }\n}", cssRule.getCssText());
mediaList = ((CSSMediaRuleImpl) cssRule).getMediaList();
assertEquals(1, mediaList.getLength());
assertEquals("(max-width: 12cm)", mediaList.getMediaText());
}
/**
* @see <a href="http://dev.w3.org/csswg/css3-fonts/#font-face-rule">
* http://dev.w3.org/csswg/css3-fonts/#font-face-rule</a>
* @throws Exception if the test fails
*/
@Test
public void atRuleFontFace() throws Exception {
final String css = "@font-face { font-family: Gentium; src: url(http://example.com/fonts/Gentium.ttf); }\n";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
final AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@font-face { font-family: Gentium; src: url(\"http://example.com/fonts/Gentium.ttf\"); }",
rule.getCssText());
}
/**
* @throws Exception in case of failure
*/
@Test
public void atRuleFontFaceUnicodeRangeSingleCodepoint() throws Exception {
final String css = "@font-face { font-family: Gentium; unicode-range: U+26 }\n";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
final AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@font-face { font-family: Gentium; unicode-range: U+26; }",
rule.getCssText());
}
/**
* @throws Exception in case of failure
*/
@Test
public void atRuleFontFaceUnicodeRangeWildcard() throws Exception {
final String css = "@font-face { font-family: Gentium; unicode-range: U+4? }\n";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
final AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@font-face { font-family: Gentium; unicode-range: U+4?; }",
rule.getCssText());
}
/**
* @throws Exception in case of failure
*/
@Test
public void atRuleFontFaceUnicodeRangeRange() throws Exception {
final String css = "@font-face { font-family: Gentium; unicode-range: U+0-7F }\n";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
final AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@font-face { font-family: Gentium; unicode-range: U+0-7F; }",
rule.getCssText());
}
/**
* @throws Exception in case of failure
*/
@Test
public void atRuleFontFaceUnicodeRangeRange2() throws Exception {
final String css = "@font-face { font-family: Gentium; unicode-range: u+0025-00FF }\n";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
final AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@font-face { font-family: Gentium; unicode-range: U+0025-00FF; }",
rule.getCssText());
}
/**
* @throws Exception in case of failure
*/
@Test
public void atRuleFontFaceUnicodeRangeMultipleValues() throws Exception {
final String css = "@font-face { font-family: Gentium; unicode-range: U+0025-0??F, U+4?? }\n";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
final AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@font-face { font-family: Gentium; unicode-range: U+0025-0??F, U+4??; }",
rule.getCssText());
}
/**
* @see <a href="http://dev.w3.org/csswg/css3-fonts/#font-face-rule">
* http://dev.w3.org/csswg/css3-fonts/#font-face-rule</a>
* @throws Exception if the test fails
*/
@Test
public void atRuleFontFaceComplex() throws Exception {
final String css = "@font-face {\n"
+ "font-family: Headline;\n"
+ "src: local(Futura-Medium), url(fonts.svg#MyGeometricModern) format(\"svg\");}";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
final AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@font-face { font-family: Headline; "
+ "src: local(Futura-Medium), url(\"fonts.svg#MyGeometricModern\") format(\"svg\"); }",
rule.getCssText());
}
/**
* @throws Exception if the test fails
*/
@Test
public void atRuleFontFaceComplex2() throws Exception {
final String css = "@font-face {\n"
+ "font-family: Pangolin;\n"
+ "font-style: normal;\n"
+ "font-weight: 400;\n"
+ "src: local('Indie Flower'), local('IndieFlower'), "
+ "url(https://fonts.gstatic.com/s/indieflower/v9"
+ "/10JVD_humAd5zP2yrFqw6ugdm0LZdjqr5-oayXSOefg.woff2) format('woff2');\n"
+ "unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, "
+ "U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2212, U+2215;"
+ "}";
final CSSStyleSheetImpl sheet = parse(css);
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(1, rules.getLength());
final AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@font-face { font-family: Pangolin; "
+ "font-style: normal; font-weight: 400; "
+ "src: local(\"Indie Flower\"), local(\"IndieFlower\"), "
+ "url(\"https://fonts.gstatic.com/s/indieflower/v9"
+ "/10JVD_humAd5zP2yrFqw6ugdm0LZdjqr5-oayXSOefg.woff2\") format(\"woff2\"); "
+ "unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, "
+ "U+02DC, U+2000-206F, U+2074, U+20AC, U+2212, U+2215; }",
rule.getCssText());
}
/**
* @see <a href="http://www.w3.org/TR/CSS21/syndata.html#at-rules">
* http://www.w3.org/TR/CSS21/syndata.html#at-rules</a>
* @throws Exception if the test fails
*/
@Test
public void atRules1() throws Exception {
final String css = "@import 'subs.css';\n"
+ "h1 { color: blue }\n"
+ "@import 'list.css';\n"
+ "h2 { color: red }\n";
final InputSource source = new InputSource(new StringReader(css));
final CSSOMParser parser = new CSSOMParser();
final ErrorHandler errorHandler = new ErrorHandler();
parser.setErrorHandler(errorHandler);
final CSSStyleSheetImpl sheet = parser.parseStyleSheet(source, null);
assertEquals(1, errorHandler.getErrorCount());
final String expected = "@import rule must occur before all other rules, except the @charset rule."
+ " (Invalid token \"@import\". Was expecting one of: <S>, \"<!--\", \"-->\".)";
assertEquals(expected, errorHandler.getErrorMessage());
assertEquals("3", errorHandler.getErrorLines());
assertEquals("1", errorHandler.getErrorColumns());
assertEquals(0, errorHandler.getFatalErrorCount());
assertEquals(0, errorHandler.getWarningCount());
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(3, rules.getLength());
AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@import url(\"subs.css\");", rule.getCssText());
rule = rules.getRules().get(1);
assertEquals("h1 { color: blue; }", rule.getCssText());
rule = rules.getRules().get(2);
assertEquals("h2 { color: red; }", rule.getCssText());
}
/**
* @see <a href="http://www.w3.org/TR/CSS21/syndata.html#at-rules">
* http://www.w3.org/TR/CSS21/syndata.html#at-rules</a>
* @throws Exception if the test fails
*/
@Test
public void atRules2() throws Exception {
final String css = "@import 'subs.css';\n"
+ "@media print {\n"
+ " @import 'print-main.css';\n"
+ " body { font-size: 10pt }\n"
+ "}\n"
+ "h1 {color: blue }\n";
final InputSource source = new InputSource(new StringReader(css));
final CSSOMParser parser = new CSSOMParser();
final ErrorHandler errorHandler = new ErrorHandler();
parser.setErrorHandler(errorHandler);
final CSSStyleSheetImpl sheet = parser.parseStyleSheet(source, null);
assertEquals(1, errorHandler.getErrorCount());
final String expected = "@import rule must occur before all other rules, except the @charset rule."
+ " (Invalid token \"@import\". Was expecting: <S>.)";
assertEquals(expected, errorHandler.getErrorMessage());
assertEquals("3", errorHandler.getErrorLines());
assertEquals("3", errorHandler.getErrorColumns());
assertEquals(0, errorHandler.getFatalErrorCount());
assertEquals(0, errorHandler.getWarningCount());
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(3, rules.getLength());
AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@import url(\"subs.css\");", rule.getCssText());
rule = rules.getRules().get(1);
assertEquals("@media print {\n body { font-size: 10pt; }\n}", rule.getCssText());
rule = rules.getRules().get(2);
assertEquals("h1 { color: blue; }", rule.getCssText());
}
/**
* Test for {@literal @}import after a rule.
* @throws Exception if the test fails
*/
@Test
public void atRules2b() throws Exception {
final String css = "@import 'subs.css';\n"
+ "@media print {\n"
+ " body { font-size: 10pt }\n"
+ " @import 'print-main.css';\n"
+ "}\n"
+ "h1 {color: blue }\n";
final InputSource source = new InputSource(new StringReader(css));
final CSSOMParser parser = new CSSOMParser();
final ErrorHandler errorHandler = new ErrorHandler();
parser.setErrorHandler(errorHandler);
final CSSStyleSheetImpl sheet = parser.parseStyleSheet(source, null);
assertEquals(1, errorHandler.getErrorCount());
final String expected = "@import rule must occur before all other rules, except the @charset rule."
+ " (Invalid token \"@import\". Was expecting: <S>.)";
assertEquals(expected, errorHandler.getErrorMessage());
assertEquals("4", errorHandler.getErrorLines());
assertEquals("3", errorHandler.getErrorColumns());
assertEquals(0, errorHandler.getFatalErrorCount());
assertEquals(0, errorHandler.getWarningCount());
final CSSRuleListImpl rules = sheet.getCssRules();
assertEquals(3, rules.getLength());
AbstractCSSRuleImpl rule = rules.getRules().get(0);
assertEquals("@import url(\"subs.css\");", rule.getCssText());
rule = rules.getRules().get(1);
assertEquals("@media print {\n body { font-size: 10pt; }\n}", rule.getCssText());
rule = rules.getRules().get(2);
assertEquals("h1 { color: blue; }", rule.getCssText());
}
/**
* @throws Exception in case of failure
*/
@Test
public void hexColor() throws Exception {
color("color: rgb(204, 204, 204)", "color: #ccc;");
color("background: rgb(28, 29, 0)", "background: #1c1d00;");
color("color: rgba(51, 170, 51, 0)", "color: #3a30;");
color("color: rgba(51, 170, 51, 1)", "color: #3a3F;");
color("color: rgba(51, 170, 51, 0)", "color: #33aa3300;");
color("color: rgba(51, 170, 51, 0.502)", "color: #33AA3380;");
}
/**
* @throws Exception in case of failure
*/
@Test
public void rgbComma() throws Exception {
color("foreground: rgb(255, 0, 153)", "foreground: rgb(255,0,153)");
color("foreground: rgb(255, 0, 153)", "foreground: rgb(255, 0, 153.0)");
color("foreground: rgb(100%, 0%, 60%)", "foreground: rgb(100%,0%,60%)");
color("foreground: rgb(100%, 0%, 60%)", "foreground: rgb(100%, 0%, 60%)");
color("foreground: rgb(255, 0, 153)", "foreground: rgb(2.55e2, 0e0, 1.53e2)");
// alpha
color("foreground: rgb(10, 20, 30, 0.1)", "foreground: rgb(10,20,30,0.1)");
color("foreground: rgb(10, 20, 30, 0.1)", "foreground: rgb( 10, 20, 30, 0.1 )");
color("foreground: rgb(10, 20, 30, 0.7)", "foreground: rgb( 10, 20, 30, .7 )");
color("foreground: rgb(10, 20, 30, 10%)", "foreground: rgb(10, 20, 30, 10%)");
color("foreground: rgb(10%, 20%, 30%, 7%)", "foreground: rgb(10%, 20%, 30%, 7%)");
color("foreground: rgb(10%, 20%, 30%, 0.13%)", "foreground: rgb(10%, 20%, 30%, 1.3e-1%)");
color("foreground: rgb(10%, 20%, 30%, 0.5)", "foreground: rgb(10%, 20%, 30%, 0.5)");
}
/**
* @throws Exception in case of failure
*/
@Test
public void rgbBlank() throws Exception {
color("foreground: rgb(255 0 153)", "foreground: rgb(255 0 153)");
color("foreground: rgb(255 0 153)", "foreground: rgb(255 0 153.0)");
color("foreground: rgb(100% 0% 60%)", "foreground: rgb(100% 0% 60%)");
color("foreground: rgb(100% 0% 60%)", "foreground: rgb(100% 0% 60%)");
color("foreground: rgb(255 0 153)", "foreground: rgb(2.55e2 0e0 1.53e2)");
// alpha
color("foreground: rgb(10 20 30 / 0.1)", "foreground: rgb(10 20 30/0.1)");
color("foreground: rgb(10 20 30 / 0.1)", "foreground: rgb( 10 20 30 / 0.1 )");
color("foreground: rgb(10 20 30 / 0.7)", "foreground: rgb( 10 20 30 / .7 )");
color("foreground: rgb(10 20 30 / 10%)", "foreground: rgb(10 20 30 / 10%)");
color("foreground: rgb(10% 20% 30% / 7%)", "foreground: rgb(10% 20% 30% / 7%)");
color("foreground: rgb(10% 20% 30% / 0.13%)", "foreground: rgb(10% 20% 30% / 1.3e-1%)");
color("foreground: rgb(10% 20% 30% / 0.5)", "foreground: rgb(10% 20% 30% / 0.5)");
}
/**
* @throws Exception in case of failure
*/
@Test
public void rgbaComma() throws Exception {
color("foreground: rgba(255, 0, 153)", "foreground: rgba(255,0,153)");
color("foreground: rgba(255, 0, 153)", "foreground: rgba(255, 0, 153.0)");
color("foreground: rgba(100%, 0%, 60%)", "foreground: rgba(100%,0%,60%)");
color("foreground: rgba(100%, 0%, 60%)", "foreground: rgba(100%, 0%, 60%)");
color("foreground: rgba(255, 0, 153)", "foreground: rgba(2.55e2, 0e0, 1.53e2)");
// alpha
color("foreground: rgba(10, 20, 30, 0.1)", "foreground: rgba(10,20,30,0.1)");
color("foreground: rgba(10, 20, 30, 0.1)", "foreground: rgba( 10, 20, 30, 0.1 )");
color("foreground: rgba(10, 20, 30, 0.7)", "foreground: rgba( 10, 20, 30, .7 )");
color("foreground: rgba(10, 20, 30, 10%)", "foreground: rgba(10, 20, 30, 10%)");
color("foreground: rgba(10%, 20%, 30%, 7%)", "foreground: rgba(10%, 20%, 30%, 7%)");
color("foreground: rgba(10%, 20%, 30%, 0.13%)", "foreground: rgba(10%, 20%, 30%, 1.3e-1%)");
color("foreground: rgba(10%, 20%, 30%, 0.5)", "foreground: rgba(10%, 20%, 30%, 0.5)");
}
/**
* @throws Exception in case of failure
*/
@Test
public void rgbaBlank() throws Exception {
color("foreground: rgba(255 0 153)", "foreground: rgba(255 0 153)");
color("foreground: rgba(255 0 153)", "foreground: rgba(255 0 153.0)");
color("foreground: rgba(100% 0% 60%)", "foreground: rgba(100% 0% 60%)");
color("foreground: rgba(100% 0% 60%)", "foreground: rgba(100% 0% 60%)");
color("foreground: rgba(255 0 153)", "foreground: rgba(2.55e2 0e0 1.53e2)");
// alpha
color("foreground: rgba(10 20 30 / 0.1)", "foreground: rgba(10 20 30/0.1)");
color("foreground: rgba(10 20 30 / 0.1)", "foreground: rgba( 10 20 30 / 0.1 )");
color("foreground: rgba(10 20 30 / 0.7)", "foreground: rgba( 10 20 30 / .7 )");
color("foreground: rgba(10 20 30 / 10%)", "foreground: rgba(10 20 30 / 10%)");
color("foreground: rgba(10% 20% 30% / 7%)", "foreground: rgba(10% 20% 30% / 7%)");
color("foreground: rgba(10% 20% 30% / 0.13%)", "foreground: rgba(10% 20% 30% / 1.3e-1%)");
color("foreground: rgba(10% 20% 30% / 0.5)", "foreground: rgba(10% 20% 30% / 0.5)");
}
/**
* @throws Exception in case of failure
*/
@Test
public void rgbVariousErrors() throws Exception {
color(1, "DOM exception: 'rgb parameters must be separated by ','.'", "foreground: rgb(10, 20 30)");
color(1, "DOM exception: 'rgb requires consitent separators (blank or comma).'", "foreground: rgb(10 20, 30)");
color(1, "DOM exception: 'rgb mixing numbers and percentages.'", "foreground: rgb(10%, 20, 30)");
color(1, "DOM exception: 'rgb mixing numbers and percentages.'", "foreground: rgb(10%, 20%, 30)");
color(1, "DOM exception: 'rgb mixing numbers and percentages.'", "foreground: rgb(10, 20%, 30)");
color(1, "DOM exception: 'rgb mixing numbers and percentages.'", "foreground: rgb(10, 20%, 30%)");
color(1, "DOM exception: 'rgb mixing numbers and percentages.'", "foreground: rgb(10, 20, 30%)");
color(1, "DOM exception: 'rgb mixing numbers and percentages.'", "foreground: rgb(10%, 20, 30%)");
color(1, "DOM exception: 'rgb mixing numbers and percentages.'", "foreground: rgb(10% 20 30)");
color(1, "DOM exception: 'rgb mixing numbers and percentages.'", "foreground: rgb(10% 20% 30)");
color(1, "DOM exception: 'rgb mixing numbers and percentages.'", "foreground: rgb(10 20% 30)");
color(1, "DOM exception: 'rgb mixing numbers and percentages.'", "foreground: rgb(10 20% 30%)");
color(1, "DOM exception: 'rgb mixing numbers and percentages.'", "foreground: rgb(10 20 30%)");